Foreign Currency Translation - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Financial Statement Line Items with Differences in Reported Amount and Reporting Currency Denominated Amounts [Line Items]
Cumulative foreign currency losses	$ 377.1		$ 377.1		$ 389.8
Cumulative inflation rate	100.00%		100.00%
Foreign currency and other related gain (loss)			$ 4.9
Cumulative inflation period			3 years
AR
Financial Statement Line Items with Differences in Reported Amount and Reporting Currency Denominated Amounts [Line Items]
Foreign currency and other related gain (loss)			$ 8.0	$ 2.0
CNK [Member]
Financial Statement Line Items with Differences in Reported Amount and Reporting Currency Denominated Amounts [Line Items]
Accumulated other comprehensive income (loss)	$ 344.8		344.8		353.2
Foreign currency and other related gain (loss)	(6.2)	$ (3.1)	(8.4)	0.1
CUSA [Member]
Financial Statement Line Items with Differences in Reported Amount and Reporting Currency Denominated Amounts [Line Items]
Accumulated other comprehensive income (loss)	347.9		347.9		$ 356.3
Foreign currency and other related gain (loss)	$ (6.2)	$ (3.1)	$ (8.4)	$ 0.1